<template>
  <view>
    <view class="search-box">
      <my-search @myclick="gotoSearch"></my-search>
    </view>
    <!-- 轮播图 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular indicator-active-color="#ffffff">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航 -->
    <view class='nav_list'>
      <view class="nav_item"  v-for="(item,index) in navList" :key="index" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav_img"></image>
      </view>
    </view>
    <!-- 楼层区域 -->
    <view class="floor_list">
      <view class="floor_item" v-for="(item,index) in floorList" :key="index">
        <!-- 楼层标题区域 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧 4 个小图片的盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
import badgeMix from '@/mixins/tabbar-badge.js'
export default {
  mixins: [badgeMix],
  data() {
    return {
      // 1. 轮播图的数据列表，默认为空数组
      swiperList: [],
      navList:[],
      floorList:[],
    }
  },
  onLoad() {
    // 2. 在小程序页面刚加载的时候，调用获取轮播图数据的方法
    this.getSwiperList()
    this.getNavList()
    this.getFloorList()
  },
  methods: {
    // 获取轮播图数据的方法
    async getSwiperList() {
      const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
      // console.log(res)
      if (res.meta.status !== 200) {
        return uni.$showMsg()
      }
      this.swiperList = res.message
    },
    // 获取分类导航
    async getNavList() {
      const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
      if (res.meta.status !== 200) {
        return uni.$showMsg()
      }
      this.navList= res.message
    },
    // 获取楼层数据
    async getFloorList() {
      const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
      if (res.meta.status !== 200) {
        return uni.$showMsg()
      }
      // 对数据进行处理
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
      this.floorList= res.message
      // console.log(this.floorList)
    },
    // 点击分类导航跳转
    navClickHandler(item){
      // console.log(item);
      if(item.name === '分类'){
        uni.switchTab({
          url:'/pages/cate/cate'
        })
      }
    },
    gotoSearch() {
      uni.navigateTo({
        url: '/subpkg/search/search'
      })
    },
  }
}
</script>

<style lang="scss">
  swiper{
    height: 330rpx;
  }
  .swiper-item ,image {
    width: 100%;
    height: 100%;
  }
  .nav_list{
    display: flex;
    justify-content: space-around;
    margin: 15px 0;
    .nav_img {
      width: 128rpx;
      height: 140rpx;
    }
  }
  .floor-title{
    height: 60rpx;
    width: 100%;
    display: flex;
  }
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
  .search-box {
    // 设置定位效果为“吸顶”
    position: sticky;
    // 吸顶的“位置”
    top: 0;
    // 提高层级，防止被轮播图覆盖
    z-index: 999;
  }
</style>
